A - Forestry: Recent submissions
Now showing items 261-280 of 368
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Antibacterial Activity Against Propionibacterium acnes of n-Hexane Fractions from Siam Weed Leaves (Chromolaena odorata)
(Atlantis Press, 2021-04-10)The present study aims to separate the active fractions from the n-hexane extract of Siam weed (Chromolaena odorata (L) R.M. King & H. Rob) leaves with potential as the antiacne agent. The present work includes isolation ... -
Preservation of Pulai Wood (Alstonia scolaris L. Br.) with Natural Preservative Fruit Extracts Orania palindan (Blanco) Merr. No Thumbnail [100%x80]
(Atlantis Press, 2021-04-10)Orania palindan is a betel species from the Arecaceae family which has a toxic content, especially in the fruit and tubers. This study aims to examine the ability of O. palindan fruit extract using room temperature water ... -
Preservation of Pulai Wood (Alstonia scolaris L. Br.) with Natural Preservative Fruit Extracts Orania palindan (Blanco) Merr.
(Atlantis Press, 2021-04-10)Orania palindan is a betel species from the Arecaceae family which has a toxic content, especially in the fruit and tubers. This study aims to examine the ability of O. palindan fruit extract using room temperature water ... -
Antifungal of Fruit and Shoot Extracts of Orania palindan on Coriolus versicolor Growth
(Atlantis Press, 2021-04-10)Orania palindan is a species of areca nut from Family Arecaceae that produces toxins, especially in its fruit and shoot. This research aimed to test the antifungal property of O. palindan fruit and shoot using hot water ... -
Chemical content in Two Teak Woods (Tectona grandis Linn.F.) that has been used for 2 years and 60 years
(Institut Teknologi Bandung, 2020)Teak (Tectona grandis Linn F.) is classified as luxury wood and belongs to the durable wood, resistant to termite and fungal attacks. The purposes of this study were to analyze and compare the chemical content and bioactive ... -
Comparative antimicrobial studies on plant species known as ’Pasak Bumi': Eurycoma longifolia Jack., Rennelia elliptica Korth. and Trivalvaria macrophylla miq.
(F1000Research, 2019-03-18)Pasak Bumi is a local name for a medicinal plant in Kalimantan, Indonesia. It is a famous medicinal plant and commonly used in traditional medicine as an aphrodisiac, as well as in the treatment of malaria. Pasak Bumi is ... -
Antioxidant and Antimelanogenesis Activities of Glyasperin A From Macaranga pruinosa Leaves
(Sage Journals, 2019-07)In our effort to find materials for drugs and cosmetics from tropical natural resources, we screened 21 methanol extracts from 7 Macaranga trees species (Macaranga bancana, Macaranga gigantea, Macaranga hullettii, Macaranga ... -
Antidiabetic potential of Caesalpinia sumatrana, a medicinal herbs traditionally used by local tribe in East Kalimantan
(IOP Publishing Ltd., 2018-04)The aims of the research was to analyze the content of phytochemicals, to examine the antioxidant and antidiabeticpotentials of n-hexane, chloroform, ethyl acetate, and ethanol extracts of Caesalpinia sumatrana. Method to ... -
The role of bamboo nanoparticles in kenaf fiber reinforced unsaturated polyester composites
(Scrivener Publishing, 2018-01)In this study, bamboo nanoparticles in concentration ranges from 0–5% were incorporated along with woven/nonwoven kenaf fiber mat into unsaturated polyester and the developed composites were further characterized. Bamboo ... -
Modification of oil palm wood using acetylation and impregnation process
(American Institute of Physics, 2017-03)The purpose of this study is chemical modification by process of acetylation and impregnation of oil palm wood to improve the dimensional stability. Acetylation process aimed at substituting the hydroxyl groups in a timber ... -
Incorporation of coconut shell based nanoparticles in kenaf/coconut fibres reinforced vinyl ester composites
(IOP Publishing Ltd., 2017-03)In the present study, a successful attempt has been made on enhancing the properties of hybrid kenaf/coconut fibers reinforced vinyl ester composites by incorporating nanofillers obtained from coconut shell. Coconut shells ... -
Preparation and Fundamental Characterization of Cellulose Nanocrystal from Oil Palm Fronds Biomass
(Springer New York, 2017-09)The objective of this work was to isolate cellulose nanocrystal (CNC) from oil palm fronds (Elaeis guineensis) and its subsequent characterization. Isolation involves sodium hydroxide/anthraquinone pulping with mechanical ... -
Seaweed based sustainable films and composites for food and pharmaceutical applications: A review
(Elsevier Ltd., 2017-09)Various studies have been focused on seaweeds derived polysaccharides based composites because of its renewability and sustainability for food packaging and pharmaceutical applications including tissue engineering, drug ... -
Properties enhancement using oil palm shell nanoparticles of fibers reinforced polyester hybrid composites
(Taylor and Francis Ltd., 2016-03)Oil palm shell (OPS) nanoparticles were utilized as filler in fibers reinforced polyester hybrid composites. The OPS nanoparticles were successfully produced from the raw OPS using high-energy ball milling process. Fundamental ... -
Environmental Durability of Vinyl Ester Composites Filled with Carbonized Jatropha Seed Shell
(BioResources, 2015)The durability of vinyl ester composites filled with carbonized jatropha seed shell was investigated in 5% NaOH solution, 5% HCl solution, and distilled water for 12 months. The environmental durability of the composites ... -
The role of soil properties and it’s interaction towards quality plant fiber: A review
(Elsevier Ltd., 2015-03)In recent years, the use of plant fibers has increased tremendously due to the remarkable variations in chemical and physical properties. Plants require light, water, and nutrients for growth, reproduction and efficient ... -
High-pressure enzymatic hydrolysis to reveal physicochemical and thermal properties of bamboo fiber using a supercritical water fermenter
(BioResources, 2014)Bamboo fiber was treated using a high-pressure enzyme hydrolysis process. The process performance was compared with the pulping and bleaching process for bamboo fiber. Several analytical methods, including field emission ... -
Determination of the combined effect of chemical modification and compression of agatis wood on the dimensional stability, termite resistance, and morphological structure
(BioResources, 2014)Agatis wood (Agathis lorantifolia Salisb.) was impregnated with a combination of styrene and methyl methacrylate and compressed to a strain of 50% to improve dimensional stability and termite resistance. The changes in ... -
High-pressure enzymatic hydrolysis to reveal physicochemical and thermal properties of bamboo fiber using a supercritical water fermenter
(BioResources, 2014)Bamboo fiber was treated using a high-pressure enzyme hydrolysis process. The process performance was compared with the pulping and bleaching process for bamboo fiber. Several analytical methods, including field emission ... -
Antidermatophyte and antimelanogenesis compound from Eleutherine americana grown in Indonesia
(Springer Nature Switzerland AG., 2010-04)An active compound from the bulb of Eleutherine americana L. Merr. (Iridaceae) collected from East Kalimantan, Indonesia, was tested for its antidermatophyte and antimelanogenesis activity. Antifungal assay-directed ...